to 1-3/4 in.
door, one 96 in. thick wood door•Soft-close mechanism included•To obtain the maximum weight capacity, all rail mounting fasteners must be mounted directly into solid wood•Do NOT install directly onto a drywall surface rail, 6 wall mounting brackets, 2 roller straps, 1 center guide, 2 rail stops and 2 anti-jump block (door not included)•Door straps size: 1-1/2 in. W x 11. Made of premium steel, these kits come ready to quickly install.